Giant two-photon absorption of anatase TiO<sub>2</sub> in Au/TiO<sub>2</sub> core-shell nanoparticles

Lijie Wang; Tsz Him Chow; Malte Oppermann; Jianfang Wang; Majed Chergui

doi:10.1364/PRJ.487784

Photonics Research, Volume. 11, Issue 7, 1303(2023)

Giant two-photon absorption of anatase TiO₂ in Au/TiO₂ core-shell nanoparticles

Lijie Wang^1,3, Tsz Him Chow², Malte Oppermann^1,4, Jianfang Wang², and Majed Chergui^1、*

¹Laboratory of Ultrafast Spectroscopy, ISIC and Lausanne Centre for Ultrafast Science (LACUS), École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland

²Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China

³Present address: Division of Physical Science and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia

⁴Present address: Chemistry Department, University of Basel, 4001 Basel, Switzerland

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Lijie Wang, Tsz Him Chow, Malte Oppermann, Jianfang Wang, Majed Chergui. Giant two-photon absorption of anatase TiO₂ in Au/TiO₂ core-shell nanoparticles[J]. Photonics Research, 2023, 11(7): 1303

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Paper Information

Category: Optical and Photonic Materials

Received: Feb. 15, 2023

Accepted: May. 21, 2023

Published Online: Jun. 29, 2023

The Author Email: Majed Chergui (majed.chergui@epfl.ch)

DOI:10.1364/PRJ.487784

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